COVID-19 variant XE is a hybrid of the two now-familiar strains of Omicron, BA.1 and BA.2, according to the U.K.’s Health Security Agency.
New COVID-19 Variant XE Is A ‘Recombinant’ Strain: What Does That Mean?
COVID-19 variant XE is a hybrid of the two now-familiar strains of Omicron, BA.1 and BA.2, according to the U.K.'s Health Security Agency.